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Found 26 results

  1. Fossil geodes

    I found these super cool fossils turned geode today. Any idea what kind of crystals they might be? I was thinking calcite or quartz. Much appreciated. (Edit: Doesn’t react to vinegar, so silica or clear quartz maybe?)
  2. Is this petrified coral?

    I have about a hundred pounds of what I believe to be fossilized coral and sea plants. Any help would be appreciated.
  3. Any input would be great! I’ve had this lil thing on my desks since middle school after finding it on a beach in...possibly Michigan...on a vacation. Flipped over it has an appearance similar to a geode with clear crystal-like features.
  4. Fossil ID

    Hi everyone, On one of our family trips to Dickinson, ND a friend took us out into the Badlands about 30 years ago. We found this item and at a local fossil show the 4 choices were geode which I don't think is correct. Concretion or reptile egg were the other choices. I will attach a second photo in a minute. Thanks for any help you can give us.
  5. Geode with fossil

    Hello I just joined so first I will say hello my name is Julien I love in Colorado. I just acquired a new geode with a fossil iside of it. I was wondering if someone could identify what kind of geode it is and how rare it is to have one whole like this? Thank everyone for their help in advance I’m sure the members of this site are pretty smart.
  6. I peer into a small geode at 80x to look at what look like small blooms of crystals covering bulbous blue crystal mounds. Originally I wanted to see why the geode had white crystal patches on one side and the top side had darker spots. First I see that the "blooms" are actually super small stones that look to be growing their own crystals. I had to look further, I wasn't sure if the geode was opened when I chipped it free from the breccia or if had been open while it was encased. The crystallization was perfectly clean, so I surmise it was. Either way, how in the world does a geode crystallize and then later adopt a speckling of microscopic stones? So, I'm looking over the surface and there is this anomaly. does not match any of the features inside the geode. I look closer and it appears to have, internal organs, segmented legs, and antennae. Could this really be some type of shrimp? Or similar crustacean? I'm really curious to hear what you all think. Hopefully the images suffice, I have a biological microscope so it is not the best at 3D. Posterior Head/Antennae I know I've been looking at a screen all day, but this sure looks like a segmented/armored leg. And, I'm spent
  7. Help a 5th grader

    One of my students found this near Jacobia Texas and would like it identified if possible. I have more pictures of it on the forum's Facebook page.
  8. Geode?

    The fossil I want most to find, at this point in my addiction, is a tullymonster. A few months ago, I thought this might be one, but, now, I'm fairly certain it's just a geode and am just double checking by asking for an ID. I actually really dig (that's so punny, lol!) geodes, so I'll add it to my collection, but I have enough criniods and brachiopods. I'm throwing a little tullymonster fit!
  9. Crystal agate fossil?

    I found this today on the beach under a clay cliff, it is known for agate And chalcedony to be found on this beach, what would I call this, it looks like some sort of a bone maybe?
  10. Fish in Rock like a Geode

    Sorry, another fossil from my dead acquaintance's estate. This is an interesting fish in a geode-like rock. Open it up and you can see the top and the bottom of the fish's image. The person who split open the rock did an excellent job. The seam is sharp and tight. To get to the fish inside: It is about 10½ millimeters centimeters long and 4¾ mm wide/tall at its widest point. I did just a little bit of magic in this picture to heighten the image. I made it a little bit darker and heightened contrast just a little. The rock from the outside looks like a sweet potato. In fact, the inside of the rock has a reddish, sweet-potato coloring though where the ghost image of the fish is, it is grayish brown. I don't know where this fish was found. A nice fish, well-preserved by my eye.
  11. Fossil or Rock?

    I found this and several smaller ones in an ancient creek in the country of Georgia recently. This item is very heavy for its size. Can't figure out what it is.Please help.
  12. Okay What is It? Geode or Fossil

    Greetings once more, This is my second posting and has a direct correlation to my opening post. As previously stated the fossil/geode, displayed in the photos, has been in my possession since my father's passing in 2004. I have no idea as to where or how he obtained but will say that he was a traveler and collector of various items from around the world. The identity of this item has been the topic of many discussions between my wife and kids (now grown). They both still ask me as to "What is it?". So I humbly call upon the members today; What is it? FYI, I will be posting several high resolution pics (11) for your review Regards Mark
  13. Petrified wood and geode help!!

    Can anyone shed some light on these two specimens. I was given these from my technician last week. They were the possessions of her grandfather, who passed away last month. I told her TFF might be able to provide some info. Thanks for looking. Mike
  14. Folded Fish in geode

    Hello Fossil Fans, I found this fossil at a flea market in Paris this week. The seller said he'd gotten it from a collector who told him it was from Brazil and between 270 and 300 million years old. To me, it looks like the fish is curled up in a ball, or folded. What do you see? Any info would be great! Thanks.
  15. My wife and I recently traveled to Brown County, Indiana (Nashville) so she could attend a friend's baby shower and, while she was there, I slipped away to check out some local streams for fossils. I remembered finding lots of geodes and crinoids around Lake Monroe (to the west) as a kid attending scout camp so I was hoping I might have similar luck on this trip. I lucked out and the stream I checked had many, MANY geodes and a smattering of crinoids and other fossil material. After doing some searching on this forum and elsewhere online, it seems these geodes are frequently formed around (within?) fossils as is the case for a couple of the crinoids in the photo below. The second image looks like it could be some kind of geodized coral? I was wondering if the third and fourth image is of a crinoid crown? Lastly, one of the big geodes I brought back is similar in shape to what I'd expect from a crinoid crown and has some ridges that almost look like faded crinoid parts. Are these just normal annulations found on all geodes or is this possibly a crinoid crown too (I assume it is too big)? I believe all the fossils in this area should be Mississippian (based on websites discussing the fossils around nearby Lake Monroe). Also, is it likely that most of the geodes in this area formed in association with some kind of underlying fossil? I had no idea about the association between geodes and fossils and am looking forward to learning more from anyone here who could enlighten me! Thanks, -Andrew
  16. Brazos River, Texas - Big Bird?

    Brazos River, Texas This "bird thing" came out of a working sand pit on the Brazos River 20 yrs ago when a drag line crossed a clay fossil vein. I dug around for a few days and found a few other small black companion bones to this "bird thing", that I can't currently find, in the same layer of Brazos orange clay. I think bird thing floated down here from someplace else just waiting for me to find it so I could post it on Fossil Forum. The pit flooded a few months later and is owned by another family today. I've searched for other bird fossils and profile examples and I've only found a few. Side note: They found a bloat and float mammoth at another Vernor sand pit in Clute Tx in 2004. The site is only a couple of miles as a crow flys from the Brazos river. They opened a restaurant and dive club in the pit.... I'm still hoping to find my bloat and float one day.....) http://m.chron.com/news/houston-texas/article/Skull-from-Ice-Age-mammoth-unearthed-in-Clute-1982484.php .
  17. Hi all, Location: West Somerset Coast. Length approx 4 inches. Geology is Blue Lias but i was so far out to sea that it may be late triassic 0_o We've had very low tides here of late which have stripped the mud layer and have been exploring the revealed rock beds found a full bed of devils toenails, alongside modern day oysters.. Also found this, which is not like anything encountered down there before. Sorry in advance for the poor images, the specimen remains in situ.. What interests me is (all of it!) .. the apparent uniformity and the small circular depression in the middle at the bottom. ps the geology in the area was subject to considerable tectonic activity during the period of formation Can anyone help? All the best in your quests Ben
  18. Thank you for viewing this post. Found a group of geodes/nodules that are covered with small fossilized shells. They were found in the southern part of the Pryor mountains of Montana between Bear Canyon and the Dryhead. Has anyone seen similar rocks, do they have a name, or know any other information about these? Thanks again.
  19. Fossilised egg or geode?

    Hi forum! So, as I mentioned in my introduction post, back when I was a teenager I found what looks an awful lot like, to my untrained eye at least, a fossilised egg. A feature on this that kind of helped enforce the notion is what looks a lot like opposing carnivorous bite marks. I can't for the life of me remember where I found it as I moved around a lot between England, Wales, and to and from Jersey throughout my entire childhood and teens. I'm forever picking up interesting rocks and things so it could have come from a field, a river bed, or a beach, I have no idea. I know that doesn't help, so I'm sorry for that. I should add that now I've had a chance to take a closer look through the use of close-up photos, I think the likelihood is that it's actually a geode (I'm sure you've all seen this happen a hundred times or more; noob finds an egg-shaped rock and assumes 'fossilised egg'). To be fair, it is very egg shaped, it looks the same size as the fossilised quail eggs I've seen online while researching, and I'm still kind of hung up on those marks that look like they were made by teeth. The hopeful part of my mind says a hungry little critter could have found 'the egg' after it was sat for some considerable time and had a bite into it, but the more logical part of my mind says that if it was an egg and it was bitten, it would have likely been destroyed. I say likely because there's a chance that an egg left in the summer sun could go hard due to the protein within being denatured by the heat (think hard-boiled egg). Hey, I can speculate! Anywho, here's the photos; So what say you Fossil Forum, was I lucky enough to find a fossilised egg, or am I simply in possession of the most boring geode on the planet? Again, thanks for allowing me to join and many thanks in advance for any replies! Kind regards, Chris
  20. Hi all. New member here that grew up collecting small fossils on our farm in southern IN (lots of limestone there). Now live in west central IN and have the opportunity to collect from a friend's creek where there are geodes to find, other cool rocks and a few fossils. Not a geologist by any sort but have always loved rock hounding. Here are a couple of 'rocks' that I found the other day in the creek and would like to ask opinions on what they are. I'm assuming just some non-descrip rocks but was wondering if they could possibly be something else. Sorry, I forgot to include a ruler for scale. They are sitting on a regular 8.5" x 11" piece of paper in natural sunlight. The one on the left has a 'clam-like' shape to part of it with some small crystal formations (possibly calcite?) that you really can't see in the photos. So might be some sort of geode or fossil that turned into a geode? Size is approximately 2.75" x 2.25" x 2.5". The one on the right is somewhat 'eggy' in appearance, approximately 2" x 1.5" x 1.75". Probably a type of rock formation (?) but one never knows, so I'm asking. I can get the regular camera out and take closer/higher res photos if necessary. TIA. Theresa
  21. Is this Agatized Coral or something else?

    Hello, My grandma had this in her backyard and she asked me to pick it up when she noticed how shiny it was. She helped my clean it up and I took pictures on my phone. I was wondering if this is just an agatized geode? Or if it may be an agatized coral geode? I'm just unsure due to the texture on the top of the piece.
  22. Quartz Geode Fossil

    I found this fossil in Liberty Hill, Texas, and am hoping to determine what it is. I thought it was petrified wood at first but someone suggested coral - which would make sense as there are many shell fossils in the area. I wasn't able to find another fossil like it online, either wood or coral. It seems to be a 3" section of a twisted branch and there are a couple of areas on the outside where something seems to have been attached, maybe barnacle or lichen. The inside is lined with crystals and a bright light will show through the sides so it appears the entire fossil is quartz. Any ideas? Thanks!
  23. Dinosaur Egg Or Geode? Need Help

    Not sure if this is a rock or something else. Was all one piece but since being removed from the dirt it seems to be fragile and has cracked.
  24. Id Please

    Hello All, Can someone please offer an ID for this hunk of matter? A bum-egg perhaps - that'd be a rather big bottom... A geode? The 'shell' is fairly soft... South Cambridgeshire. many thanks Pica
  25. This was an 8 inch rattler that when I opened it to my amazement ther was some type of fossil stuck in it. Seems to me to be a good sized piece of petrified wood. But as old as these are is that even possible? The geode is the typical round sperelke the many others I have opened, but I found this in there stuck in the crystals! I am curious if this adds much value to it or is it fairly common and this just happens to be the first one I have found like this. Most of the smaller rattlers I open are puffed fossilized clams of some type, the larger ones are generally speres. It just seemd odd and really kewl to find such a unique specimen. But any thoughts on how common this is or how valuable it could be would be great. I am an amature rock hound, but know a bit on gems from studying gemology for a few years. I just got a fairly large claim for herk mining here where I live. The tennessee and keokuks I purchase online and the kids and I have fun opening them I just got the claim yesterday for herks and have already mined a ton of druzy stones and nice smaller herks.If the geode sounds remotely interesting I can certainly post a couple pics of it to share or help any of you help me out with it. I appreciate any insight on any of this, thanks Kerry.
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